Analysis

  • max time kernel
    93s
  • max time network
    102s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/02/2025, 19:23

General

  • Target

    06d2e733d7de6cfd2d4a5bcdfbb10f38bb7e59cc102721e1d367194303a079be.exe

  • Size

    319KB

  • MD5

    f02542c15d5dc31a01d3e0cd86f683fd

  • SHA1

    e2136651789064dac14cd0641034943510cdc89a

  • SHA256

    06d2e733d7de6cfd2d4a5bcdfbb10f38bb7e59cc102721e1d367194303a079be

  • SHA512

    89a6313f363a2429313866941017ce87bd54114e6875970b1904de0400806f02776b556843324bf188415fcaf6d2ed0cb76ff641974be614754367750375a963

  • SSDEEP

    6144:k9ZWxpNzfEsKQo9PiF+/rMbe1/o1ZAOv28ZhqOZfOHJpls4Yn7/n+qaWRSBVYAgL:7pNbEpQo9PRo1ZxXqOZmHJpls4Yn7/nr

Malware Config

Signatures

  • Detect Neshta payload 4 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Neshta family
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\06d2e733d7de6cfd2d4a5bcdfbb10f38bb7e59cc102721e1d367194303a079be.exe
    "C:\Users\Admin\AppData\Local\Temp\06d2e733d7de6cfd2d4a5bcdfbb10f38bb7e59cc102721e1d367194303a079be.exe"
    1⤵
    • Checks computer location settings
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3276
    • C:\Users\Admin\AppData\Local\Temp\3582-490\06d2e733d7de6cfd2d4a5bcdfbb10f38bb7e59cc102721e1d367194303a079be.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\06d2e733d7de6cfd2d4a5bcdfbb10f38bb7e59cc102721e1d367194303a079be.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2156

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE

    Filesize

    86KB

    MD5

    3b73078a714bf61d1c19ebc3afc0e454

    SHA1

    9abeabd74613a2f533e2244c9ee6f967188e4e7e

    SHA256

    ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29

    SHA512

    75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4

  • C:\Users\Admin\AppData\Local\Temp\3582-490\06d2e733d7de6cfd2d4a5bcdfbb10f38bb7e59cc102721e1d367194303a079be.exe

    Filesize

    279KB

    MD5

    ef74a51749aef7882d2b10c51b95aeb9

    SHA1

    4694eab8d75b15b54620540481983d511f987b6f

    SHA256

    37fa666dbfd91accbb92a74fa7335d281e5375270d4ed661d113d781a1ec425e

    SHA512

    e7acd67c3f1b3275daa078bea29252ed45eb3520cac20691eadb13c0b4bd769d6a4fde525676b48414f701d6f6bf24b7ad1c8fa04ff862c8210bbfea8f6c0e1b

  • memory/3276-127-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3276-128-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3276-130-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB